Merge pull request #78 from jekyll/to_s_for_drop

Add MetadataDrop#to_s which outputs pretty JSON representation

lib/jekyll-github-metadata/metadata_drop.rb

@@ -13,6 +13,16 @@ def initialize(site)
         super(nil)
       end
 
+      def to_s
+        require "json"
+        JSON.pretty_generate to_h
+      end
+      alias_method :to_str, :to_s
+
+      def content_methods
+        super - %w(to_s to_str)
+      end
+
       def keys
         super.sort
       end

spec/metadata_drop_spec.rb

@@ -2,10 +2,29 @@
 
 RSpec.describe(Jekyll::GitHubMetadata::MetadataDrop) do
   let(:overrides) { { "repository" => "jekyll/another-repo" } }
-  let(:config) { Jekyll::Configuration::DEFAULTS.merge(overrides) }
+  let(:config) { Jekyll::Configuration.from(overrides) }
   let(:site) { Jekyll::Site.new config }
   subject { described_class.new(site) }
 
+  context "in Liquid" do
+    before(:each) do
+      stub_all_api_requests
+      site.config.delete("repository")
+      site.config["github"] = subject
+    end
+
+    it "renders as a pretty JSON object in Liquid" do
+      require "json"
+      payload = site.site_payload
+      expect(payload["site"]["github"]).to be_instance_of(described_class)
+      expect(
+        Liquid::Template.parse("{{ site.github }}").render!(
+          payload, :registers => { :site => site }
+        )
+      ).to eql(JSON.pretty_generate(subject.to_h))
+    end
+  end
+
   context "with no repository set" do
     before(:each) do
       site.config.delete("repository")
@@ -31,6 +50,11 @@
       :ssh   => "git@github.com:foo/bar.git"
     }.each do |type, url|
       context "with a #{type} git URL" do
+        before(:each) do
+          site.config.delete("repository")
+          ENV["PAGES_REPO_NWO"] = nil
+        end
+
         it "parses the name with owner from the git URL" do
           allow(subject).to receive(:git_remote_url).and_return(url)
           expect(subject.send(:nwo, site)).to eql("foo/bar")

spec/spec_helper.rb

@@ -164,6 +164,10 @@ def env_args_to_hash(*args)
   WebMock.disable_net_connect!
   config.include EnvHelper
 
+  config.before(:all) do
+    FileUtils.mkdir_p("tmp")
+  end
+
   config.before(:each) do
     Jekyll::GitHubMetadata.reset!
     Jekyll::GitHubMetadata.logger = Logger.new(StringIO.new) unless ENV["DEBUG"]